1. Department of Neurology Erasmus MC, University Medical Center Rotterdam The Netherlands
2. Department of Medicine University of Malaya Medical Center Kuala Lumpur Malaysia
3. Department of Viroscience Erasmus MC, University Medical Center Rotterdam The Netherlands
4. Department of Neurology Hospital Británico Buenos Aires Argentina
5. Department of Immunology Erasmus MC, University Medical Center Rotterdam The Netherlands
6. Department RH‐MDC – Immunology Reinier de Graaf Gasthuis Delft The Netherlands
7. Institute of Tropical Medicine of Rio Grande do Norte Federal University of Rio Grande do Norte Natal Brazil
8. Department of Neurology Hospital das Clinicas da Faculdade de Medicina Ribeirão Preto Brazil
9. Department of Neurology Hospital Dr Enrique Vera Barros La Rioja Argentina
10. Department of Neurology Sanatorio Adventista del Plata Entre Rios Argentina
11. Department of Neurology Sanatorio Los Arcos Buenos Aires Argentina
12. Department of Neurology Hospital Universitário Onofre Lopes Natal Brazil